Volume 13, Issue 12, December 2012, Pages 6423-6427
Volume 13, Issue 10, October 2012, Pages 4905-4908
Volume 13, Issue 10, October 2012, Pages 4923-4926
Volume 13, Issue 10, October 2012, Pages 5007-5010
Volume 13, Issue 9, September 2012, Pages 4413-4416
Volume 13, Issue 9, September 2012, Pages 4423-4426
Volume 13, Issue 9, September 2012, Pages 4783-4788
Volume 13, Issue 6, June 2012, Pages 2541-2545
Volume 13, Issue 5, May 2012, Pages 2139-2144
Volume 13, Issue 2, February 2012, Pages 665-669
Volume 13, Issue 1, January 2012, Pages 111-115
Volume 12, Issue 10, October 2011, Pages 2547-2550
Volume 12, Issue 9, September 2011, Pages 2329-2333
Volume 12, Issue 3, March 2011, Pages 739-742
Volume 8, Issue 2, February 2007, Pages 283-286